Price Alert

Century Aluminum (CENX)

NASDAQ: CENX · Real-Time Price · USD

29.87

0.05 (0.17%)

At close: Oct 03, 2025, 3:59 PM

29.79

-0.27%

After-hours: Oct 03, 2025, 07:42 PM EDT

CENX Option Overview

Overview for all option chains of CENX. As of October 05, 2025, CENX options have an IV of 128.1% and an IV rank of 91.35%. The volume is 2,808 contracts, which is 85.51% of average daily volume of 3,284 contracts. The volume put-call ratio is 0.95, indicating a neutral sentiment in the market.

Implied Volatility

Implied Volatility (30d)

128.1%

IV Rank

91.35%

Historical Volatility

45.06%

IV Low

60.59% on Jan 30, 2025

IV High

134.49% on Oct 02, 2025

Open Interest (OI)

Today's Open Interest

83,498

Put-Call Ratio

0.61

Put Open Interest

31,531

Call Open Interest

51,967

Open Interest Avg (30-day)

61,928

Today vs Open Interest Avg (30-day)

134.83%

Option Volume

Today's Volume

2,808

Put-Call Ratio

0.95

Put Volume

1,366

Call Volume

1,442

Volume Avg (30-day)

3,284

Today vs Volume Avg (30-day)

85.51%

Option Chain Statistics

This table provides a comprehensive overview of all CENX options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Oct 17, 2025	434	140	0.32	5,005	10,014	2	128.1%	25
Nov 21, 2025	164	186	1.13	602	469	0.78	98.88%	28
Dec 19, 2025	50	17	0.34	6,356	12,688	2	114.37%	23
Jan 16, 2026	336	742	2.21	37,205	7,577	0.2	105.81%	20
Mar 20, 2026	260	278	1.07	1,744	382	0.22	86.8%	23
Jan 15, 2027	198	2	0.01	1,032	398	0.39	79.42%	12
Jan 21, 2028	0	1	0	23	3	0.13	67.2%	15